644553252

素因数分解:

$2^2\times 3^2\times 7^4\times {\mathrm{7457}}^1$

素因数の和:7495

約数の個数: 90

約数和(自身を含む): 1900977078

約数和(自身を除く): 1256423826

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 343, 441, 588, 686, 882, 1029, 1372, 1764, 2058, 2401, 3087, 4116, 4802, 6174, 7203, 7457, 9604, 12348, 14406, 14914, 21609, 22371, 28812, 29828, 43218, 44742, 52199, 67113, 86436, 89484, 104398, 134226, 156597, 208796, 268452, 313194, 365393, 469791, 626388, 730786, 939582, 1096179, 1461572, 1879164, 2192358, 2557751, 3288537, 4384716, 5115502, 6577074, 7673253, 10231004, 13154148, 15346506, 17904257, 23019759, 30693012, 35808514, 46039518, 53712771, 71617028, 92079036, 107425542, 161138313, 214851084, 322276626, 644553252]

約数ペア:

[(1, 644553252), (2, 322276626), (3, 214851084), (4, 161138313), (6, 107425542), (7, 92079036), (9, 71617028), (12, 53712771), (14, 46039518), (18, 35808514), (21, 30693012), (28, 23019759), (36, 17904257), (42, 15346506), (49, 13154148), (63, 10231004), (84, 7673253), (98, 6577074), (126, 5115502), (147, 4384716), (196, 3288537), (252, 2557751), (294, 2192358), (343, 1879164), (441, 1461572), (588, 1096179), (686, 939582), (882, 730786), (1029, 626388), (1372, 469791), (1764, 365393), (2058, 313194), (2401, 268452), (3087, 208796), (4116, 156597), (4802, 134226), (6174, 104398), (7203, 89484), (7457, 86436), (9604, 67113), (12348, 52199), (14406, 44742), (14914, 43218), (21609, 29828), (22371, 28812)]